CVE-2023-27407

Name: CVE-2023-27407
Creator: NVD / NIST
Published: 2023-05-09T13:15:16.64+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

CRITICALCVSS 9.9/10EPSS 1.30%

Last modified Jun 17, 2026

CVE-2023-27407 is a critical-severity vulnerability rated 9.9/10 on the CVSS scale. A vulnerability has been identified in SCALANCE LPE9403 (All versions < V2.1). The web based management of affected device does not properly validate user input, making it susceptible to command injection. EPSS estimates a 1.30% chance of exploitation in the next 30 days.

Description

A vulnerability has been identified in SCALANCE LPE9403 (All versions < V2.1). The web based management of affected device does not properly validate user input, making it susceptible to command injection. This could allow an authenticated remote attacker to access the underlying operating system as the root user.

Metrics

CVSS 3.1

9.9/10

CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H

EPSS Probability

1.30%

66.7th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

Affected Software

Vendor	Product	Versions
Siemens	Scalance Lpe9403 Firmware	< 2.1

References

https://cert-portal.siemens.com/productcert/pdf/ssa-325383.pdfVendor Advisory
https://cert-portal.siemens.com/productcert/pdf/ssa-325383.pdfVendor Advisory

Timeline

Published: May 9, 2023
Last Modified: Jun 17, 2026
Status: Modified

Frequently Asked Questions

What is CVE-2023-27407?

How severe is CVE-2023-27407?

CVE-2023-27407 has a CVSS score of 9.9/10 (CRITICAL severity). The EPSS model estimates a 1.30% probability of exploitation in the next 30 days.

How do I fix CVE-2023-27407?

Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.

Are you affected by CVE-2023-27407?

Run a free Strix scan to check your systems for this vulnerability.

Scan your code now

Source: NVD / NIST